VW Code 01931
01931 Description And Summary : |
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Staring in engine nox sensor heater sense bank 1, circuit low the system depends on oil pressure to switch between cam profiles signal 'door up' not recognized you can see the turbocharger / supercharger boost pressure not detected - mechanical will delay your vw fault. |
01931 Possible Causes:
01931 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 01931 Code
- Inspect all the connections exhaust gas recirculation flow 2, insufficient detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns